wget http://ftp.edgewall.com/pub/trac/Trac-0.11b1.tar.gz
tar -xvzf Trac-0.11b1.tar.gz
wget http://peak.telecommunity.com/dist/ez_setup.py
python ez_setup.py 
cd Trac-0.11b1
sudo easy_install Pygments
sudo easy_install Genshi
python ./setup.py install